Bardin's melee options feel extremely limited. (When you aren't playing Slayer.)

I don’t think you should nerf the slayer, but I agree with what you said… I believe a good idea would be to add special attacks to weaker weapons such as a 1-handed hammer and pickaxe, and add direct buffs to weapons such as more damage and penetration on the pickaxe, more vigor on the one-handed hammer, more damage on the throwing axe, increase the damage of the sweep grudges and its number of bullets by 8, change the attacks of the one-handed ax (so as not to be the same as the victor), among several other buffs…

That’s just the weapons, apart from some reworks of several of the bardin’s talents.
see what you think: